Navigation Links
New treatment to overpower drug resistance in ovarian cancer
Date:11/15/2010

Drug resistance is a major obstacle in curing ovarian cancer but new research from the Centenary Institute has discovered a treatment that kills ovarian cancer cells in a new way that can break the resistance mechanism. Published today in Autophagy, the researchers found the drug (FTY720) had a potent effect in human ovarian cancer cells, even in those resistant to cisplatin, the most commonly used chemotherapeutic drug currently available for the treatment of ovarian cancer.

Centenary Institute Signal Transduction Head Associate Professor Pu Xia described the findings as a breakthrough in ovarian cancer treatment because, FTY720 kills ovarian cancer cells through a unique way different to the current anti-cancer drugs. Current treatments, such as cisplatin, kill ovarian cancer cells through a way of programming cell death known as apoptosis but this is often reversible or demolished by cancer cells. However, FTY720 kills cells through an irreversible process known as necrosis so the cancer cells cannot resist, repair and relapse.

Each year, around 800 Australian women die from ovarian cancer1, and ovarian cancer remains the leading cause of death in women with gynaecological malignancies over the world.

Dr Xia said: "One of the major reasons for such a poor outcome of ovarian cancer is that the cancer cells have an ability to resist the current chemotherapeutic drugs through a protective shield, which occurs naturally or as a response to the treatment, and this survives the cancer from the treatment. Such a protective shield, uncovered by the findings from the Xia laboratory, is built, at least partially, on a catabolic process, called autophagy, by which cells eat their own non-vital components for survival under stress conditions such as starvation or chemotherapy. Remarkably, despite this survival process being activated by ovarian cancer cells during the treatment, FTY720 is still capable of killing them effectively.

While this research is a major first step toward developing a more effective treatment for ovarian cancer, the researchers claim more pre-clinical and clinical trials are needed before the drug might be used in women with ovarian cancer. However, the researchers are optimistic that the treatment would be available as a new chemotherapeutic agent within the next several years, because this drug has been approved by the US Food and Drug Administration (FDA) for use in the treatment of multiple sclerosis and is also used in multiple clinical trials for the prevention of organ transplant rejection and the treatment of various autoimmune diseases. Recent studies have also shown anti-tumour efficacy in several types of cancers but this is the first time it has been studied for the treatment of ovarian cancer.


'/>"/>

Contact: Tanya Sarina
t.sarina@centenary.org.au
61-295-656-228
Centenary Institute
Source:Eurekalert

Related biology news :

1. Breast cancer treatment resistance linked to signaling pathway
2. The dietary supplement genistein can undermine breast cancer treatment
3. Coming soon: Self-guided, computer-based depression treatment
4. Nanodiamond drug device could transform cancer treatment
5. Disinfectants can make bacteria resistant to treatment
6. Scientists from Granada find a potential treatment to prevent diabetes and obesity
7. FSU researchers discovery leads to $1.5 million grant, potential new treatment of liver fibrosis
8. Researchers at National Jewish Health evaluating a treatment
9. National Jewish Health researchers evaluating treatment to help emphysema sufferers breathe easier
10. First comprehensive genomic study of common cold reveals new treatment targets
11. Iowa State researcher develops new treatment method for canine eye diseases
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:3/21/2016)... March 22, 2016 Unique ... passcodes for superior security   ... provider of secure digital communications services, today announced it ... and offer enterprise customers, particularly those in the Financial ... and voice authentication within a mobile app, alongside, and ...
(Date:3/14/2016)... NXTD ) ("NXT-ID" or the "Company"), ... the airing of a new series of commercials on Time ... 21 st .  The commercials will air on Bloomberg TV, ... the Street show. --> NXTD ) ("NXT-ID" or ... market, announces the airing of a new series of commercials ...
(Date:3/10/2016)... BELL, Pa. , March 10, 2016   Unisys ... U.S. Customs and Border Protection (CBP) is testing its ... San Diego to help identify certain ... States . The test, designed to help determine the ... pedestrian environment, began in February and will run until May ...
Breaking Biology News(10 mins):
(Date:5/25/2016)... AZ (PRWEB) , ... May 25, 2016 , ... ... Dr. Michael Fitzmaurice recently became double board-certified in surgery and surgery of the ... 2015. Dr. Fitzmaurice is no stranger to going above and beyond in his ...
(Date:5/25/2016)... LAKE CITY, UTAH. (PRWEB) , ... May 25, 2016 , ... ... efficiencies in healthcare information exchange, today announced that Charles W. Stellar has been named ... as WEDI’s interim CEO since January 2016. As an executive leader with more than ...
(Date:5/24/2016)... ... May 24, 2016 , ... Cell therapies ... will be accelerated by research at Worcester Polytechnic Institute (WPI) that yielded a ... and tissue regeneration. , The novel method, developed by WPI faculty members Raymond ...
(Date:5/24/2016)... ... May 24, 2016 , ... Media Cybernetics, ... new Media Cybernetics corporate branding reflects a results-driven revitalization for a company with ... The re-branding components include a crisp, refreshed logo and a new web presence. ...
Breaking Biology Technology: